<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1">
<title>上传组件 - layui</title>

<link rel="stylesheet" href="../src/css/layui.css">

<style>
.layui-upload-img{width: 92px; height: 92px; margin: 0 10px 10px 0;}
hr{margin: 32px 0;}
</style>
</head>
<body class="layui-padding-5">

<div class="layui-upload">
  <button type="button" class="layui-btn" id="test1" name="123">上传图片</button>

  <div class="layui-upload-list">
    <img class="layui-upload-img" src="" id="demo1">
    <p id="demoText"></p>
  </div>
</div>

<div class="layui-progress layui-progress-big" lay-showPercent="yes"  lay-filter="demo">
  <div class="layui-progress-bar" lay-percent=""></div>
</div>


<hr>

<div class="layui-upload">
  <button type="button" class="layui-btn" id="test2">多图片上传</button>
  <div class="layui-upload-list" id="demo2"></div>
</div>

<hr>

<div class="layui-upload">
  <button type="button" class="layui-btn layui-btn-normal" id="testList">选择多文件</button>
  <div class="layui-upload-list">
    <table class="layui-table">
      <thead>
        <th>文件名</th>
        <th>大小</th>
        <th>上传进度</th>
        <th>操作</th>
      </thead>
      <tbody id="demoList"></tbody>
    </table>
  </div>
  <button type="button" class="layui-btn" id="testListAction">开始上传</button>
</div>

<hr>

<div class="layui-btn-container">
  <button type="button" class="layui-btn test333" lay-data="{size:10,url:'a'}" id="test3"><i class="layui-icon">&#xe67c;</i>上传文件</button>
  <button type="button" class="layui-btn layui-btn-primary test333" lay-data="{size:20,url:'b'}" id="test33"><i class="layui-icon">&#xe67c;</i>换个样式</button>

  <button type="button" class="layui-btn" id="test4"><i class="layui-icon">&#xe67c;</i>上传视频</button>
  <button type="button" class="layui-btn" id="test5"><i class="layui-icon">&#xe67c;</i>上传音频</button>
</div>

<hr>

<div class="layui-btn-container">
  <button class="layui-btn testm" lay-data="{url: '/a/'}">参数设在元素上</button>
  <button class="layui-btn testm" lay-data="{url: '/b/', accept: 'file',size:5}">参数设在元素上</button>
</div>

<hr>

<div class="layui-btn-container">
  <button type="button" class="layui-btn layui-btn-normal" id="test6">选择文件</button>
  <button type="button" class="layui-btn" id="test7">开始上传</button>
</div>

<hr><br>

<div class="layui-upload-drag" id="test8">
  <i class="layui-icon">&#xe67c;</i>
  <p>点击上传，或将文件拖拽到此处</p>
</div>

<hr><br>

绑定原始文件域：<input type="file" name="file" id="test9">

<script src="../src/layui.js" src1="https://cdnjs.cloudflare.com/ajax/libs/layui/2.7.6/layui.js"></script>
<script>
layui.use(['upload', 'element', 'form'], function(){
  var $ = layui.$;
  var upload = layui.upload;
  var element = layui.element;

  // 模拟接口
  var url = '' // 'https://httpbin.org/post';

  // 创建实例
  var uploadInst = upload.render({
    elem: '#test1',
    url: url, // 若需模拟上传过程，而不真实上传文件，可使用开源的 HTTP 模拟接口: httpbin
    // size: 2000, //限制文件大小，单位 KB
    // accept: 'file',
    method: 'get',
    fileAccept: 'image/*',
    exts: 'jpg|png|gif|bmp|jpeg|pdf',
    data: { // 额外参数
      a: 1,
      b: function(){
        return 2
      }
    },
    choose: function(obj){
      console.log('choose', obj);
    },
    before: function(obj){
      //预读本地文件示例，不支持ie8
      obj.preview(function(index, file, result){
        $('#demo1').attr('src', result); //图片链接（base64）
      });

      return;
      layer.msg('不允许上传')
      return false;
    },
    done: function(res, index){

      //如果上传失败
      if(res.code > 0){
        return layer.msg('上传失败');
      }
      //上传成功
      console.log(res, index);
    },
    error: function(index, upload){
      this.item.html('重选上传');

      //演示失败状态，并实现重传
      var demoText = $('#demoText');
      demoText.html('<span style="color: #FF5722;">上传失败</span> <a class="layui-btn layui-btn-mini demo-reload">重试</a>');
      demoText.find('.demo-reload').on('click', function(){
        uploadInst.upload();
      });

      element.progress('demo', '0%');
    },
    progress: function(n, elem, res, index){
      console.log(n + '%', elem, res, index); //获取进度百分比
      element.progress('demo', n + '%'); //可配合 layui 进度条元素使用
    }
  });

  // 重载上述实例
  uploadInst.reload({
    field: 'avatar',
    accept: 'images', // 只允许上传图片
    acceptMime: 'image/*', // 只筛选图片
    // size: 2,
  });

  // 演示多图片上传
  upload.render({
    elem: '#test2',
    url: url, // 实际使用时改成您自己的上传接口即可
    multiple: true, // 多文件
    unified: true, // 一起上传 ---  2.8.8+
    accept: 'images',
    number: 3, // 同时上传的数量
    size: 1024,
    before: function(obj){
      // 预读本地文件示例，不支持ie8
      obj.preview(function(index, file, result){
        $('#demo2').append('<img src="'+ result +'" alt="'+ file.name +'" class="layui-upload-img">')
      });

      // this.files = obj.pushFile();
    },
    done: function(res, index){
      // 上传完毕
      console.log(res, index)
    },
    allDone: function(obj){
      console.log(obj)
    }
  });

  // 演示多文件列表 ---  本示例仅演示未开启 unified 属性的情况
  var demoListView = $('#demoList');
  var uploadListIns = upload.render({
    elem: '#testList',
    url: url, // 实际使用时改成您自己的上传接口即可
    accept: 'file',
    multiple: true,
    number: 5,
    auto: false,
    bindAction: '#testListAction',
    // size: 30,
    choose: function(obj){
      var files = this.files = obj.pushFile(); // 将每次选择的文件追加到文件队列
      //读取本地文件
      obj.preview(function(index, file, result){
        var tr = $(['<tr id="upload-'+ index +'">'
          ,'<td>'+ file.name +'</td>'
          ,'<td>'+ (file.size/1014).toFixed(1) +'kb</td>'
          ,'<td><div class="layui-progress" lay-filter="progress-'+ index +'"><div class="layui-progress-bar" lay-percent=""></div></div></td>'
          ,'<td>'
            ,'<button class="layui-btn layui-btn-xs demo-reload layui-hide">重传</button>'
            ,'<button class="layui-btn layui-btn-xs layui-btn-danger demo-delete">删除</button>'
          ,'</td>'
        ,'</tr>'].join(''));

        //单个重传
        tr.find('.demo-reload').on('click', function(){
          obj.upload(index, file);
        });

        //删除
        var that = this;
        tr.find('.demo-delete').on('click', function(){
          console.log(files, index);
          delete files[index]; //删除对应的文件
          tr.remove();
          uploadListIns.config.elem.next()[0].value = ''; //清空 input file 值，以免删除后出现同名文件不可选
        });

        demoListView.append(tr);

        element.render('progress');
      });
    },
    done: function(res, index, upload){
      //if(res.code == 0){ //上传成功
        var tr = demoListView.find('tr#upload-'+ index)
        ,tds = tr.children();
        tds.eq(3).html(''); //清空操作
        delete this.files[index]; //删除文件队列已经上传成功的文件
        return;
      //}
      this.error(index, upload);
    },
    allDone: function(obj){
      console.log(obj)
    },
    error: function(index, upload){
      var tr = demoListView.find('tr#upload-'+ index)
      ,tds = tr.children();
      tds.eq(3).find('.demo-reload').removeClass('layui-hide'); //显示重传
    },
    progress: function(n, elem, e, index){
      console.log(n);
      console.log(index);
      element.progress('progress-'+ index, n + '%'); //进度条
    }
  });

  upload.render({
    elem: '.test333',
    url: url,
    accept: 'file',
    choose: function(obj){
      console.log(this.elem);
    },
    done: function(res){
      console.log(res);
    }
  });

  upload.render({
    elem: '.testm',
    done: function(res, index, upload){
      //获取当前触发上传的元素，一般用于 elem 绑定 class 的情况，注意：此乃 layui 2.1.0 新增
      var item = this.item;

    }
  })

  /*
  upload.render({
    elem: '#test33',
    url: '',
    accept: 'file',
    done: function(res){
      console.log(res)
    }
  });*/

  upload.render({
    elem: '#test4',
    url: url, // 实际使用时改成您自己的上传接口即可
    accept: 'video',
    done: function(res){
      console.log(res)
    }
  });

  upload.render({
    elem: '#test5',
    url: '',
    accept: 'audio',
    done: function(res){
      console.log(res)
    }
  });


  //手动上传
  upload.render({
    elem: '#test6',
    url: url, // 实际使用时改成您自己的上传接口即可
    auto: false,
    // multiple: true,
    bindAction: '#test7',
    choose: function(obj){
      var that = this;
      obj.preview(function(index, file){
        that.elem.after('<span class="layui-inline layui-upload-choose">'+ file.name +'</span>');
        console.log(file.name);
        //obj.resetFile(index, file, '123.jpg');
      });
    },
    before: function(){
      console.log(345);
    },
    done: function(res){
      console.log(res);
    }
  });

  upload.render({
    elem: '#test8',
    url: url, // 实际使用时改成您自己的上传接口即可
    done: function(res){
      console.log(res);
    }
  });

  upload.render({
    elem: '#test9',
    url: url, // 实际使用时改成您自己的上传接口即可
    done: function(res){
      console.log(res);
    }
  });



});
</script>
</body>
</html>
